DONGGUAN Ag MAGNET ELECTTIC CO.,LTD!

China NdFeB Magnet Manufacturer, Supplier, Factory, Exporter

China NdFeB Magnet Manufacturer, Supplier, Factory, Exporter

Positions: Products→NdFeB Magnet

Sintered NdFeB Magnet

NdFeB curves characteristics

Compression Moulding Bonded NdFeB Magnet

Injection Moulding Bonded NdFeB Magnet

NdFeB Magnetdescription:specialized in producing, processing and developing the new technology in the field of NdFeB--the lastest products of permanent magnet, ndfeb magnet, flexible magnet in the world. The company not only has the international first-class equipment and techniques, but also owns the perfectly combination of excellent business management and advanced technology, which made the company take the lead of the profession. We offer all series products as folowing: ndfeb magnet, flexible magnet, flexible magnet sheet, flexible magnet for micro motor fridge magnet, magnetic hooks, bonded magnet,NdFeB Magnets , Sintered NdFeB Magnets, Bonded NdFeB Magnets, NdFeB powder, ndfeb magnet, flexible magnet, ndfeb materials, Sintered NdFeB and for more idea, please contact us directly.

Surface

Type

Minimal layer thickness

Surface Color

Remarks

Passivation

 

<=1µ

Silver grey

Temperary Protection

Nickel coating

Ni+Ni

10-20µ

Silver semibright

Excellent resistance to humid atmosphere

Ni+Cu+Ni

Superior resistance to humid atmosphere

Zinc coating

Zn

8-20µ

Blue whiteshining color shining

Good resistance to salt spray

C-Zn

Excellent resistance to salt spray

Tin coating

Ni+Cu+Sn

15-20µ

Silver semibright

Superior resistance to humid atmosphere

Gold coating

Ni+Cu+Au

10-20µ

Gold shining

Superior resistance to humid atmosphere

Cupper coating

Ni+Cu

10-20µ

Gold shining

Temporary treatment

Epoxy

Ni+Cu+Epoxy

15-25µ

Black

Excellent climatic and salt spray resistance

Zn+Epoxy

Chemical Coating

Ni

10-20

Silver semibright

Excellent resistance to humid atmosphere

NdFeB Physical Properties

Temp.Coeff.of Br:

-0.11% / ¡ãC

Temp.Coeff.of iHc:

-0.60% / ¡ãC

Density:

7.4-7.6g/cm3

Curie Temperature:

310-340¡ãC

Vickers Hardness:

600HV

Electrical Resistivity:

144

Tensile Strength:

8kg/mm2

Flexural Strength:

25kg/mm

Specific Heat:

0.12kcal/(kg.¡ãC)

Coef.of Thermal Expansion:

4x10-6

Thermal conductivity:

7.7kcal/m.h.¡ãC

Young¡¯s Modulus:

1.6x1011N/m2

Rigidity:

0.64N/m2

Poisson¡¯s Ratio:

0.24

Compressibility:

9.8x10-12 m2/N

 


 

 

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